lokesh-lingarajan commented on a change in pull request #11894:
URL: https://github.com/apache/druid/pull/11894#discussion_r749720322
##########
File path:
server/src/main/java/org/apache/druid/metadata/SQLMetadataConnector.java
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@@ -283,6 +283,11 @@ public void createSegmentTable(final String tableName)
"CREATE INDEX idx_%1$s_datasource_used_end ON %1$s(dataSource,
used, %2$send%2$s)",
tableName,
getQuoteString()
+ ),
+ StringUtils.format(
+ "CREATE INDEX idx_%1$s_datasource_used_start_end ON
%1$s(dataSource, used, start, %2$send%2$s)",
+ tableName,
+ getQuoteString()
Review comment:
We did that in production 2 weeks back on the same thesis, but quickly
ingestion lag started going up and we had to recreate the index with
(datasource, used, end) again to fix it. There is some dependency which we did
not investigate further.
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